Today is the birthday of the legendary Marilyn Monroe, the day when she would have turned 85. In honor of this iconic sex symbol we take a look at the most glamorous and seductively beautiful silver screen sirens of the 20th century, along with their dazzling films and fiery love affairs. 

Many women are beautiful, but not all have achieved icon status. Some women just have "it" -- the attitude, the allure and the enchanting looks that make them unforgettable and endlessly fascinating.

Meet the iconic beauties of yesterday and today that we just can't get enough of.